Of the Three Modes of Molecular Motion-Vibration, Rotation, and Translation-Which

question 123

Multiple Choice

Of the three modes of molecular motion-vibration, rotation, and translation-which requires the greatest amount of energy to cause an excitation from the ground state to the first excited state?

• A)vibration
• B)rotation
• C)translation
• D)They all require the same amount of energy.
• E)None, because quantized energy states do not apply to these motions.

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Definitions:

Marginal Analysis

Marginal Analysis is an examination of the additional benefits of an activity compared to the additional costs incurred by that same activity.

Relevant Costs

Only those costs that will be affected by a decision or action and therefore should be considered in decision-making.

Activity

In economic terms, refers to actions or engagements, such as production or consumption, within an economy.

Marginal Cost

The cost associated with the production of an extra unit of a product or service.